Buscar
Itens para a visualização no momento 11-20 of 182
Biologia reprodutiva e seleção dos sítios de nidificação do coleiro-do-brejo (Sporophila collaris) nos campos do sul do Brasil
(Universidade Federal de Santa Maria, 2017-03-06)
In Rio Grande do Sul, are present mosaic of grasslands, among them stands out the Subtropical Field. Among the
avifauna described for the state, about 120 species are adapted to live in grasslands, like the little ...
Potencial de dispersão de moluscos e macroinvertebrados de água doce por peixes neotropicais
(Universidade Federal de Santa Maria, 2016-03-31)
Mollusks can be a very frequent feeding item in the diet of many species of fishes inhabiting
the Neotropical region. However, the possibility of malacofagous fishes act as important
passive dispersors for native and ...
Influência da quantidade de floresta sobre a ocorrência de mamíferos carnívoros na Mata Atlântica brasileira
(Universidade Federal de Santa Maria, 2016-02-18)
Habitat fragmentation process is the main threat to the conservation of terrestrial mammals at the global level. Despite the importance of understanding the degree which species are sensitive to the effects of habitat ...
Helmintofauna de anuros em campo nativo e área de cultivo no sul do Brasil
(Universidade Federal de Santa Maria, 2017-02-17)
The Campos Sulinos are grassy formations where there is high biodiversity, but the conservation of these grasslands has been neglected, while the degradation and the habitat advance at alarming rates. The impacts of habitat ...
Descrição e filogenia de um novo espécime de cinodonte probainognátio do triássico sul-brasileiro
(Universidade Federal de Santa Maria, 2018-02-28)
The present dissertation aims to describe the cranial anatomy of a new specimen of Ecteniniidae, CAPPA/UFSM 0029, collected in Upper Triassic rocks. The new specimen, which comes from the Janner outcrop in the outskirts ...
Armas e sexo: dependência de condição em componentes do armamento de Hyalella bonariensis (Crustacea: Amphipoda)
(Universidade Federal de Santa Maria, 2019-02-21)
Condition dependence is when an individual's ability to develop a trait depends on the genes that will express the trait and depends on the resources the individual has accumulated. Then, higher quality individuals will ...
Análise da alimentação de Acestrorhynchus pantaneiro (Characiformes: acestrorhynchidae) em Três Rios do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-02-29)
To understand the behavior of a species under the reproduction aspects, growth, birth rate,
mortality and migration is indispensable the knowledge of his alimentary behavior, still more
if treating of fishes with habit ...
Fatores influentes sobre atropelamentos de vertebrados silvestres em rodovias da região central do estado do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2010-08-23)
The habitat loss or fragmentation and reduced connectivity among habitats are common aspects in areas with highways.These impacts have close liaison with running over
of wild vertebrates. This study aimed to identify and ...
Genética de populações de Aegla longirostri (crustacea, decapoda, anomura) da região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2009-03-31)
The Aeglidae are Decapoda crustaceans endemic from the neotropical region of South
America. They are the only anomuran family entirely restricted to freshwater, occurring
mainly in streams. Requirement for well conserved ...
Macroinvertebrados da lavoura de arroz irrigado tratada com os agrotóxicos Carbofuran e Penoxsulam
(Universidade Federal de Santa Maria, 2010-09-24)
The rice cultivation (Oryza sativa) has been target of speculations because of its
effects in the environment. The intensive pesticides uses in the ricefields have
contributed in a meaningful manner to many things related ...